21417333352 has 32 divisors (see below), whose sum is σ = 40462156800. Its totient is φ = 10627591104.

The previous prime is 21417333341. The next prime is 21417333401. The reversal of 21417333352 is 25333371412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074049 + ... + 1093807.

It is an arithmetic number, because the mean of its divisors is an integer number (1264442400).

Almost surely, 2^21417333352 is an apocalyptic number.

It is an amenable number.

21417333352 is a deficient number, since it is larger than the sum of its proper divisors (19044823448).

21417333352 is a wasteful number, since it uses less digits than its factorization.

21417333352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785 (or 20781 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The spelling of 21417333352 in words is "twenty-one billion, four hundred seventeen million, three hundred thirty-three thousand, three hundred fifty-two".